How come for some quadtratic equation you can solve them completely (using the quadratic formula) (e.g. - x^2-5x-6=18 will give you -3x or x=8) but others are like this (x^2+10x=-5 ± √30 or -x^2-3x+1=0 =
3± √13
-2
Why cant you solve those like you do the rest?
3± √13
-2
Why cant you solve those like you do the rest?